成人免费毛片小视频_欧美激情大陆偷拍_欧美黑人又大又粗XXXⅩ_999re6热在线精品视频思思_亚洲欧洲无码专区_国产日韩综合不卡免费观看_zyz玖玖色资源站先锋播放器_亚洲av片不卡无码久东京搔_黄色一级网址_免费鸡巴视频在线播放

Foshan Shengbang Steel Structure Co., Ltd.

11 years experience in plant design and construction

Common choice of 1875 sets of steel structure buildings

National service hotline:

0757-81002668
4方管
Your location: Home ->  Square tube

Square tube

Square tube

Square tube, is a kind of square steel tubes, that is, equal width and length. 

1. Square tube product description 
Square tube is a hollow rectangular light thin wall cross section steel tube, also known as steel cooling bending profiles. Based on parent metal of the hot rolled or cold rolled steel strip or plate, after cold bending, it is formed into square cross section shape size section steel by high frequency welding. Angle size and sides straightness of hot-rolled special thick-walled square tube reaches, sometimes even exceed level of resistance welding cold forming square tube level. 

2. Square tube use 
It can be used in construction, machinery manufacturing, steel construction, shipbuilding, solar power stents, steel structure engineering, power engineering, power plants, agricultural and chemical machinery, glass curtain wall, automobile chassis, airport, the boiler construction, highway fence and building construction, etc. 

Square tube

 

Type

Theory weight (kg/m)

Type

Theory weight (kg/m)

20*20*1.2

0.75

50*30*2.5

3.02

25*25*1.2

0.94

50*30*3

3.6

40*40*2

2.29

 50*32*2

2.2

40*40*2.5

3.02

50*35*2.5

3.32

40*40*4

4.68

55*38*2

2.8

50*50*2.5

3.81

60*40*2.5

3.81

50*50*3

4.44

60*40*3

4.44

50*50*4

5.74

60*40*4

5.74

60*60*2.5

4.52

70*50*4

7.02

60*60*3

5.38

80*60*3

7.09

60*60*4

7.02

80*60*4

8.22

70*70*4

8.22

80*60*5

10.25

70*70*5

10.2

90*40*2.5

5.19

80*80*4

9.96

90*60*5

10.47

80*80*6

13.85

100*60*3

7.3

100*100*4

11.65

100*60*4

9.16

100*100*8

23

100*60*5

11.53

120*120*4

14.16

100*60*4.5

14.41

160*160*4.5

19.2

160*80*4.5

15.84

220*80*6

27.1